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101939 (1999 RN23)
Classification: Main-belt Asteroid          SPK-ID: 2101939
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697952144364301 3.6511e-08  
a 2.225457144092955 7.3911e-09 au
q 1.847585171092607 8.0605e-08 au
i 1.815230211309095 3.4291e-06 deg
node 111.8486337527706 0.00015532 deg
peri 220.2478941967572 0.00015586 deg
M 162.8184070311009 1.4246e-05 deg
tp 2458652.061062666454
(2019-Jun-17.56106267)
4.739e-05 TDB
period 1212.627128837851
3.32
6.041e-06
1.654e-08
d
yr
n .2968760894744407 1.479e-09 deg/d
Q 2.603329117093304 8.646e-09 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      7867 days (21.54 yr)  
   first obs. used      1999-08-22  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52161  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:31  

Additional Information
 Earth MOID = .835531 au 
 Jupiter MOID = 2.74127 au 
 T_jup = 3.626 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO502728  

101939 (1999 RN23)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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